Memories
Data Compression
Storage Units
Storage Devices
Random
100
what are the two types of memories?
Primary and Secondary memories
100
what is Data compression?
Reducing the size of data. Data compression is used when sending/attaching big files on an email.
100
How many bytes in storage units?
There are 4.
100
Sarah needs to print a document but her office doesn't have a network connection. She saves the document from her computer to what storage device?
flash drive
100
ROM is 'volatile' memory. True or false?
False
200
Examples Primary memory?
RAM and ROM
200
what are the two types of data compression?
Lossy and Lossless compression.
200
Name 4 types of bytes:
Kilobytes, Megabytes, Gigabytes and Terabytes
200
What does FDD stands for:
Floppy Disk Drive
200
A hard disk is an optical storage device. True or false?
False
300
what is the meaning of volatile and non-volatile?
Volatile= the data remains when the power is off.
Non-volatile= the data lost when the power is off.
300
Name two examples of lossy compression that we discuss in class.
MP3 (audio format)
MPEG (video)
300
Which answer is correct from smallest to largest?
A. kilobyte, Megabyte, Gigabyte, Terabyte
B. Megabyte, kilobyte, Terabyte, Gigabyte
C. Terabyte, Megabyte, Gigabyte, Kilobyte
A. Kilobyte, Megabyte, Gigabyte, Terabyte.
300
The hard disk stores the applications that you regularly use on your computer. True or false?
True
300
A zip disk is an optical storage device. True or false?
false
400
Name two characteristics of Secondary Memory?
=Very slow
= Permanent in nature
400
Briefly explain what does lossless compression means?
Lossless compression is a form of data compression that reduce file sizes without sacrificing any significant information in the process - meaning it will not diminish the quality of your photos.
400
Which of the following is the smallest unit of data which can be stored?
A. bytes D. Bits
B. Megabytes
C. Kilobytes
D. Bits
400
what storage device is this?
CD (compact disk)
400
Out of these, which has the smallest size 1. Kilobyte 2. Byte 3. Megabyte 4. Terabyte 5. Gigabyte 6. Bit
6. Bit
500
What is the difference between RAM and ROM?
RAM (Random Access Memory) is volatile memory used for active programs, while ROM (Read-Only Memory) is non-volatile memory that contains permanent instructions.
500
Makes the file smaller by deleting parts of the file permanently (forever)
A. Lossy compression
B. Lossless compression
A. Lossy compression
500
How Big Is A Kilobyte?
A.1024byte
B. 10000byte
C. 1000byte
D. 1 bit
C. 1000byte
500
A DVD is an optical storage device. True or false?
True
500
ROM stands for:
Read Only Memory